What would you like to edit?

Alternative Titles

Synonyms: Number Six, Number 6, No. Six
Japanese: NO.6[ナンバー・シックス]
English: No. 6
Spanish: No. 6
More titles


Type: TV
Episodes: 11
Status: Finished Airing
Aired: Jul 8, 2011 to Sep 16, 2011
Premiered: Summer 2011
Broadcast: Fridays at 01:15 (JST)
Producers: Aniplex, Dentsu, Kodansha, Fuji TV
Licensors: Sentai Filmworks
Studios: Bones
Source: Novel
Genres: ActionAction, DramaDrama, MysteryMystery, Sci-FiSci-Fi
Duration: 23 min. per ep.
Rating: R - 17+ (violence & profanity)


Score: 7.561 (scored by 203111203,111 users)
1 indicates a weighted score.
Ranked: #15632
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #507
Members: 429,407
Favorites: 7,372

Available At


Ranked #1563Popularity #507Members 429,407
Add to My List
Episodes: /11


Many years ago, after the end of a bloody world war, mankind took shelter in six city-states that were peaceful and perfect... at least on the surface. However, Shion—an elite resident of the city-state No. 6—gained a new perspective on the world he lives in, thanks to a chance encounter with a mysterious boy, Nezumi. Nezumi turned out to be just one of many who lived in the desolate wasteland beyond the walls of the supposed utopia. But despite knowing that the other boy was a fugitive, Shion decided to take him in for the night and protect him, which resulted in drastic consequences: because of his actions, Shion and his mother lost their status as elites and were relocated elsewhere, and the darker side of the city began to make itself known.

Now, a long time after their life-altering first meeting, Shion and Nezumi are finally brought together once again—the former elite and the boy on the run are about to embark on an adventure that will, in time, reveal the shattering secrets of No. 6.

[Written by MAL Rewrite]


No. 6 condenses but largely remains faithful to the the original nine-part light novel series. Changes were made to tone down the amount of violence in the series, in addition to creating an alternate ending.

Related Anime

Characters & Voice Actors


Hosoya, Yoshimasa


Kaji, Yuuki


Shindou, Kei


Yasuno, Kiyono


Sakuma, Rei

Safu's Grandmother

Shouji, Miyoko


Morohoshi, Sumire


Miki, Shinichiro


Terasoma, Masaki

Old Man

Arimoto, Kinryuu



Opening Theme

Apple Music
Amazon Music
Youtube Music
"Spell" by LAMA


Sep 24, 2011
No.6 is a captivating anime and I can honestly say that after having just watched it twice through. But then again, everyone has different tastes and this just may not be your cup of tea. Even so, it couldn’t hurt to try a sip, could it?

NOTE: For my sake, I’m writing Nezumi, as Nezumi, and not “Rat” like in the subs, and Shion instead of Sion, like the MAL character page.

Story – 8/10. No.6 is a utopia, there is no poverty, there are no conflicts, there are no problems. You will live happily and peacefully within these safe walls, and you will wear this ...
Oct 31, 2011
Mixed Feelings
Had so much potential but was wasted. When I saw the first episode I fell in love with the characters and became very interested in the story. I was so glad this wasn't one of those animes where you had to watch up until episode 4 or 5 before something good happens. It started right out with some action and character development.

Watching the next batch of episodes had me hooked because there was so many things going on with Shion and Nezumi, both apart and together, plus the background of No. 6 and how it got the way it is. The horrible acts committed by ...
Mar 29, 2018
A quick PSA: This show is incredibly promising, so don't watch it. The Utopia theme, characters, and motivation were very well established. But it went off track and died, real fast. This show took on more than it could chew and ended up destroying itself.

The pacing works for the start of the show, but at the half-point it feels as the studio realized "Crap, we are out of time" and shoved a dozen of undeveloped, and sometimes even un-introduced concepts, for the rest of the show's duration. It dished out way too many side-plots & characters but didn't provide any meaning to them, let ...

Interest Stacks

50 Entries · 9 Restacks
by wkteo
43 Entries · 349 Restacks
20 Entries · 14 Restacks


Recent News

Sentai Filmworks Licenses No.6

According to their press release, Sentai Filmworks has announced their license of the TV anime No.6. Sentai Filmworks will release the 11 episode series soon more

Crunchyroll Announces Summer 2011 Simulcasts

According to their website, Crunchyroll has announced their continuing and new simulcast titles. The 13 new series include:Kamisama Dolls - Tuesday at 10:00am. more

Recent Forum Discussion

Poll: No.6 Episode 6 Discussion ( 1 2 3 4 )
tsubasalover - Aug 11, 2011
166 repliesby SouthRzVa »»
Oct 25, 3:44 PM
Poll: No.6 Episode 11 Discussion ( 1 2 3 4 5 ... Last Page )
tsubasalover - Sep 15, 2011
429 repliesby Destroyer31 »»
Oct 23, 10:11 PM
Poll: No.6 Episode 4 Discussion ( 1 2 3 4 )
tsubasalover - Jul 28, 2011
174 repliesby SouthRzVa »»
Oct 20, 3:19 PM
Poll: No.6 Episode 3 Discussion ( 1 2 3 )
tsubasalover - Jul 21, 2011
120 repliesby SouthRzVa »»
Oct 19, 3:00 PM
Poll: No.6 Episode 2 Discussion ( 1 2 3 4 )
tsubasalover - Jul 14, 2011
161 repliesby SouthRzVa »»
Oct 17, 2:56 PM

Recent Featured Articles

In Numbers: The Best Anime of the Decade

In Numbers: The Best Anime of the Decade

What's the #1 anime of the 2010s? Which year was the best? What studio had the most hits? We have the answers to all these questions and more!

by Shymander


Say No to Sexual Harassment: 5 Healthy Boy-love Relationships

Say No to Sexual Harassment: 5 Healthy Boy-love Relationships

In our second round of "Is it love or sexual harassment," we take a look at some consensual, healthy romances between men in anime.

by Littoface